How can apply for Educators through proper channel

To ,
The ………………………………………(DDO Name)
……………………………………………..(Tehsil or district)
Subject: Application for Post of ESE/SESE(—–)/SSE(—–)Through proper channel.
Respected sir /madam,
With due respect it is submitted that i am working as ———– at Govt…………………………………………… and i have to apply for ESE/SESE(———-)/SSE(———-),for this i need your prior permission.please grant me permission in this regards.
Thanking you in anticipation.
Yours obediently